package com.wimpykid;

import java.util.InputMismatchException;

import android.support.v7.app.ActionBarActivity;
import android.support.v7.app.ActionBar;
import android.support.v4.app.Fragment;
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.webkit.WebView.FindListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.os.Build;

public class MainActivity extends ActionBarActivity {

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.fragment_main);

		// if (savedInstanceState == null) {
		// getSupportFragmentManager().beginTransaction()
		// .add(R.id.container, new PlaceholderFragment())
		// .commit();
		// }

		Button btnCong = (Button) findViewById(R.id.btn_cong);
		Button btnTru = (Button) findViewById(R.id.btn_tru);
		Button btnChia = (Button) findViewById(R.id.btn_chia);
		Button btnNhan = (Button) findViewById(R.id.btn_nhan);

//		OnClickListener onClick = new OnClickListener() {
//
//			@Override
//			public void onClick(View v) {
//				EditText txt_A = (EditText) findViewById(R.id.txt_A);
//				EditText txt_B = (EditText) findViewById(R.id.txt_B);
//				String str_A = txt_A.getText().toString();
//				String str_B = txt_B.getText().toString();
//
//				int a = Integer.parseInt(str_A);
//
//				int b = Integer.parseInt(str_B);
//
//				TextView lab_KQ = (TextView) findViewById(R.id.lab_ketqua);
//				float kq = 0;
//				switch (v.getId()) {
//				case R.id.btn_cong:
//					kq = a + b;
//					break;
//				case R.id.btn_tru:
//					kq = a - b;
//					break;
//				case R.id.btn_nhan:
//					kq = a * b;
//					break;
//				case R.id.btn_chia:
//					kq = (float) a / (float) b;
//					break;
//
//				}
//				lab_KQ.setText(kq + "");
//			}
//		};
//
//		btnCong.setOnClickListener(onClick);
//		btnTru.setOnClickListener(onClick);
//		btnNhan.setOnClickListener(onClick);
//		btnChia.setOnClickListener(onClick);

	}
	public void onClick(View v) {
		EditText txt_A = (EditText) findViewById(R.id.txt_A);
		EditText txt_B = (EditText) findViewById(R.id.txt_B);
		String str_A = txt_A.getText().toString();
		String str_B = txt_B.getText().toString();

		int a = Integer.parseInt(str_A);

		int b = Integer.parseInt(str_B);

		TextView lab_KQ = (TextView) findViewById(R.id.lab_ketqua);
		float kq = 0;
		switch (v.getId()) {
		case R.id.btn_cong:
			kq = a + b;
			break;
		case R.id.btn_tru:
			kq = a - b;
			break;
		case R.id.btn_nhan:
			kq = a * b;
			break;
		case R.id.btn_chia:
			kq = (float) a / (float) b;
			break;

		}
		lab_KQ.setText(kq + "");
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {

		// Inflate the menu; this adds items to the action bar if it is present.
		getMenuInflater().inflate(R.menu.main, menu);
		return true;
	}

	@Override
	public boolean onOptionsItemSelected(MenuItem item) {
		// Handle action bar item clicks here. The action bar will
		// automatically handle clicks on the Home/Up button, so long
		// as you specify a parent activity in AndroidManifest.xml.
		int id = item.getItemId();
		if (id == R.id.action_settings) {
			return true;
		}
		return super.onOptionsItemSelected(item);
	}

	/**
	 * A placeholder fragment containing a simple view.
	 */
	public static class PlaceholderFragment extends Fragment {

		public PlaceholderFragment() {
		}

		@Override
		public View onCreateView(LayoutInflater inflater, ViewGroup container,
				Bundle savedInstanceState) {
			View rootView = inflater.inflate(R.layout.fragment_main, container,
					false);
			return rootView;
		}
	}

}
